lawyers for casey anthony will be in court today to appeal her conviction of lying to. police. the florida mother was acquitted of murder in 2011 in the death of her 2-year-old daughter kalee. but anthony was convicted on four counts of lying to police during the investigation into her disappearance. and thoughny's lawyers say she should not have been charged with lying because she was not advised of her rights. >>> new information is being released about why walnut creek police officers fired deadly shots in the city's first officer-involved shooting in 12 years. anthony banta was killed in his walnut creek home on december 27th. police say it started with a 911 call from his roommate claiming he was being attacked. when officers arrived, they say banta ran at them holding a kitchen knife and ignored commands to drop the knife and police fired shots. >> there are a lot of things that don't add up. the family is in shock and in disbelief that this could have happened. at the same time, i know the police are very regretful this had to happen. >> police are waiting on toxicology